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One-pot synthesis of Carbon-coated Fe3O4 nanoparticles with tunable size for production of gasoline fuels

Abstract

Carbon-coated Fe3O4 nanocparticles with tunable size were fabricated through a facile one-pot solvothermal method, and employed as catalysts for Fischer-Tropsch (FT) synthesis to optimize the product distribution of hydrocarbons. Each spherical nanoparticle (Fe3O4@C) was observed to consist of a core-shell structure with a Fe3O4 core and a carbon shell. Furthermore, the Fe3O4 particle size can be effectively tailored by the initial dosage of glucose during catalyst preparation. Fe3O4@C with suitable structure exhibited notable catalytic activity (CO conv. over 98 %.), high C5-C11 selectivity (46.6%) and superior stability in the FT synthesis. It was proposed that Fe3O4@C with small particle size facilitated the formation of more active sites, which is responsible for the enhanced catalytic activity. However, the increase in particle and pore size promoted the selectivity to C5+ hydrocarbons and lower olefins. This may provide a novel route to directly synthesize gasoline fuels during FTS.

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Publication details

The article was received on 15 Mar 2018, accepted on 14 May 2018 and first published on 15 May 2018


Article type: Paper
DOI: 10.1039/C8NJ01280F
Citation: New J. Chem., 2018, Accepted Manuscript
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    One-pot synthesis of Carbon-coated Fe3O4 nanoparticles with tunable size for production of gasoline fuels

    J. Tu, J. Yuan, S. Kang, Y. Xu and T. Wang, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ01280F

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